FIGURE 8 in Description and molecular phylogeny of Tethya hibernica sp. nov. (Porifera, Demospongiae) from Northern Ireland with remarks on the European species of the genus Te t h y a *

FIGURE 8. Distribution maps of T. aurantium, T. citrina, and T. norvegica compiled from various sources (Sarà, 1987; Sara & Gaino, 1987; Sarà et al., 1989; Sara, 1990; Sarà & Manara, 1991; Bavestrello et al., 1992; Sarà et al., 1992; Bavestrello & Sarà, 1994; Corriero et al., 1996; Sarà, 1998; Pansini & Longo, 2003). The occurrance of T. norvegica on the British Isles will have to be proven carefully (see text for details).